Sodium lamp



FIG. 1 is a front elevational view of a sodium lamp showing our new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a cross-sectional view thereof as taken along line 7--7 in FIG. 2 on an enlarged scale; and,

FIG. 8 is a cross-sectional view thereof as taken along line 8--8 in FIG. 1 on an enlarged scale. 

The ornamental design for a sodium lamp, as shown and described. 